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 <publication-reference fvid="71329085" ucid="US-5551212-A" entity-status="large">
   <document-id>
     <country>US</country>
     <doc-number>5551212</doc-number>
     <kind>A</kind>
     <date>19960903</date>
     <lang>EN</lang>
   </document-id>
 </publication-reference>

Attribute

Description

fvid

Unique database-level integer identifier

ucid

See Common XML Attributes

entity-status

Description of filing entity based on number of employees (US only). Values include:

  • micro
  • small
  • large
  • unknown

 

publication-reference/document-id

 

Element

INID

Description

country

19

Country is represented by a standard 2-character code based on WIPO ST.3.

doc-number

11

doc-number is generally provided in DocDB-normalized format. Exceptions include WO documents, where the doc-number is normalized to YYYYnnnnnn and US pre-granted documents where the doc-number is normalized to YYYYnnnnnnn. We also recommend checking the Release Notes for patent number or kind code changes.
Patent document numbering is a complex subject, as the examples below illustrate:

 

Patent AuthorityPatent Number
US3732068
 RE31783
US (Plant)5382
US (Design)D436240
EP0129539
WO1985000002
JP60000013
 2006000022
DE3244404


For a complete discussion of document numbers over time and over multiple authorities, see: Number format concordance - publication numbers at 
https://www.epo.org/searching-for-patents/helpful-resources/data/tables/regular.html.

kind13The kind code is used to designate the publication stage of the document, including whether it is a published application or a granted patent. See ST.16.
date14Date of publication (YYYYMMDD)
Note: If no date is present and a document-id element exists, a default value of 00010101 is inserted.
lang12Original language of publication, 2-character code based on ISO 639-2.
Note: The default value is "XX" if no language information is provided by the data source.

Further Reading

For information about the SOLR search fields associated with this container, see Publication Information.

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